Vol. 51 (2)
June / Junio 2003
CONTENTS / CONTENIDOS
Biomedicine / Biomedicina
Fernando Romero M., Elena Altieri M., Mauricio Urrutia A. & Jorge Jara H.
Venom of Latrodectus mactans from Chile (Araneae, Theridiidae): effect on smooth muscle [Spanish]
María Elena Arce-Urbina, Cyra Hun-Opfer & Julio F. Mata-Segreda
The aqueous extract of Triumfetta semitriloba (Tiliaceae) does not inhibit the in-vitro hydrolytic activity of the major pancreatic enzymes
Misael Chinchilla Carmona, Marlen Herrera Corrales, Olga Marta Guerrero Bermúdez, Alberto Jiménez Somarribas, Guiselle Tamayo, Ana Sittenfeld Appel, Vanessa Nielsen & Priscila Hurtado
Effect of arthropod extracts on the multiplication of Toxoplasma gondii in mouse peritoneal macrophages
Botany / Botánica
Irma Reyes Jaramillo, Blanca Pérez-García & Aniceto Mendoza Ruiz
Gametophyte morphogenesis of Mexican species of Pleopeltis (Polypodiaceae, subfamily Pleopeltoideae) [Spanish]
Martha Pérez & Silvia Rebollar
Anatomy and uses of the mature leaves of three species of Sabal (Arecaceae) of the Yucatan Peninsula, Mexico [Spanish]
Ethel Sánchez, Mayra Montiel & Ana M. Espinoza
Ultrastructural morphologic description of the wild rice species Oryza latifolia (Poaceae) in Costa Rica
K. Kathiresan
How do mangrove forests induce sedimentation?
M.A. Pinazo, N.I. Gasparri, J.F. Goya & M.F. Arturi
Structural characterization of a Podocarpus parlatorei and Juglans australis forest in Salta, Argentina [Spanish]
Patricia S. Hoc, Susana I. Drewes & María T. Amela García
Floral biology, reproductive system and reproductive success of Macroptilium fraternum (Fabaceae) [Spanish]
Limnology / Limnología
Günter Gunkel
Limnology of a High Mountain Tropical Lake, in Ecuador: Characteristics of sediments and rate of sedimentation [Spanish]
Gbemisola A. Akin-Oriola
Zooplankton associations and environmental factors in Ogunpa and Ona rivers, Nigeria
Aquatic Invertebrates / Invertebrados Acuáticos
Víctor M. Peredo-Álvarez, S.S.S. Sarma & S. Nandini
Combined effect of concentrations of algal food (Chlorella vulgaris) and salt (sodium chloride) on the population growth of Brachionus calyciflorus and Brachionus patulus (Rotifera)
Carlos Álvarez Silva, Samuel Gómez Aguirre & Ma. Guadalupe Miranda Arce
Morphologic variations in Blackfordia virginica (Hydroidomedusae: Blackfordiidae) in coastal lagoons of Chiapas, Mexico [Spanish]
Antulio Prieto, Sybil Sant, Elizabeth Méndez & César Lodeiros
Diversity and abundance of molluscs in Thalassia testudinum prairies of the Bay of Mochima, Mochima National Park, Venezuela [Spanish]
Terrestrial Invertebrates / Invertebrados Terrestres
V. Alvarez, R. Bonilla & I. Chacón
Relative frequency of Boophilus microplus (Acari: Ixodidae) in bovines (Bos taurus and B. indicus) in eight ecological zones of Costa Rica [Spanish]
V. Alvarez, R. Bonilla & I. Chacón
Relative abundance of Amblyomma spp. (Acari: Ixodidae) in bovines (Bos taurus and B. indicus) from Costa Rica [Spanish]
Jorge F. Corrales & Marc E. Epstein
Revision of the Natada fusca complex and description of six new Neotropical species (Lepidoptera: Limacodidae)
L. Ricardo Murillo & Kenji Nishida
Life history of Manataria maculata (Lepidoptera: Satyrinae) from Costa Rica
Aquatic Vertebrates / Vertebrados Acuáticos
Carlos Díaz-Avalos, Juan Francisco Barba-Torres & Mª Teresa Gaspar-Dillanes
Environmental variables and abundance of eggs of Anchoa mitchilli (Pisces: Engraulidae) in Tamiahua lagoon, Mexico [Spanish]
Sylvia Patricia Adelheid Jiménez Rosenberg, Enrique González Navarro & Ricardo Javier Saldierna Martínez
Larval, pre-juvenile and juvenile development of Diapterus peruvianus (Perciformes: Gerreidae)
Apolinar Santamaría-Miranda, Juan F. Elorduy-Garay, Marcial Villalejo-Fuerte & Agustín A. Rojas-Herrera
Gonadal development and reproductive cycle of Lutjanus peru (Pisces: Lutjanidae) in Guerrero, Mexico [Spanish]
Apolinar Santamaría Miranda, Juan F. Elorduy Garay & Agustín A. Rojas Herrera
Feeding habits of Lutjanus peru (Pisces: Lutjanidae) in the coasts of Guerrero, Mexico [Spanish]
Manuel Gallardo-Cabello, Elaine Espino-Barr, Fernando González-Orozco & Arturo Garcia-Boa
Age determination of Anisotremus interruptus (Perciformes: Haemulidae) by scale reading, in the coast of Colima, Mexico
William A. Bussing & Robert J. Lavenberg
Four new species of eastern tropical Pacific jawfishes (Opistognathus: Opistognathidae)
Ricardo Álvarez-León & Iván Rey-Carrasco
Fauna from the M/N "Vikheim" ship exploration in the northwest of the Colombian Caribbean [Spanish]
G. Ponce-Díaz, S. Ortega-García & S. Hernández-Vázquez
Lunar phase and catch success of the striped marlin (Tetrapturus audax) in sport fishing at Los Cabos, Baja California Sur, Mexico
Gerardo Aceves-Medina, Ricardo J. Saldierna-Martínez & Enrique A. González
Distribution and abundance of Syacium ovale larvae (Pleuronectiformes: Paralichthyidae) in the Gulf of California
Jorge Cabrera Peña, Maurizio Protti Quesada, Mario Urriola Hernández & Rolando Cubero Murillo
Distribution and abundance of Caiman crocodilus in the Caño Negro National Wild Life Refuge, Costa Rica [Spanish]
Terrestrial Vertebrates / Vertebrados Terrestres
Jimena Forero-Montaña, Julio Betancur & Jaime Cavelier
Diet of the capybara Hydrochaeris hydrochaeris (Rodentia: Hydrochaeridae) in Caño Limón, Arauca, Colombia [Spanish]
Eloísa Navarro Fernández, Carmen Pozo De La Tijera & Enrique Escobedo Cabrera
Ecological affinity and current distribution of Primates (Cebidae) in Campeche, Mexico [Spanish]
